and share experiences on ECE Regulation implementation with a continuing support from many Meeting on UN/ECE R13H, Braking for Passenger Vehicles . Regulation No H of the Economic Commission for Europe of the United Nations (UN/ECE) — Uniform provisions concerning the approval of passenger cars. ECE Regulation 90 (abbreviated “ECE R90”) is an ECE Regulation specifying design, construction, and performance requirements and test protocols for.

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ECE Regulation 90

Vehicles equipped with a hydraulic braking system with stored energy which cannot meet the requirements of paragraph 5. Details of the coefficient of adhesion of the surface selected, as defined in paragraph 5.

Every test shall be repeated on the unladen vehicle; there may be, in addition to the driver, a second person on the front seat who is responsible for noting the results of the test. A diagram of assembled braking equipment efe an indication of the position of its components ecd the vehicle; 3. When an emergency condition has been sensed, at least by a very fast application of the pedal, the BAS system shall raise the pressure to deliver eec maximum achievable braking rate or cause full cycling of the ABS.

During analogue filtering of signals with different frequency contents, phase shifts can occur. The braking force can be easily regulated with sufficient precision.

With the engine running at the idling speed recommended by the manufacturer and all electrical devices supplied by the manufacturer as standard equipment of the vehicle switched on, the voltage in the electrical lines shall at maximum current consumption of the electrical braking system 15 A not fall below the value of 9,6 V measured at the connection.


This requirement shall apply for all conditions of loading when compensation exceeds the following limits:. Contracting Parties that apply both Regulation No 13 and this Regulation recognise approvals to either Regulation as equally valid.

EUR-Lex – X(01) – EN – EUR-Lex

These are the r1h utilisation curves for the vehicle, which shall satisfy the requirements in paragraph 5. In this alternative, the parking brake shall be automatically released as soon as the driver starts to set the vehicle in motion again.

The Ecf malfunction tell-tale need not be activated when a starter interlock is in operation. The systems providing service, secondary and parking braking may have ecw components so long as they fulfil the following conditions: For the tests the reference time, t 0is defined as the moment when the brake pedal force reaches 20 N.

Arrangements of approval marks 3. Utilising linear regression, A is calculated, to the nearest 0,1 degrees, from each of the six slowly increasing steer tests. This requirement is deemed to be satisfied if the batteries are at one of the state of charge conditions as listed in paragraph 1.

The combination performance shall be verified by calculations referring to the maximum braking performance actually achieved by the motor vehicle alone laden during the Type-0 test with the engine disconnected, using the following formula no practical tests with a coupled unbraked trailer are required:.

ECE regulations: ECE R13H Supplement 15

The maximum time permitted between each of the laps and passes is five minutes. Characteristics of braking systems 5. With the parking brake released, the service braking system shall be able to fulfil the following requirements:. Determine lateral velocity by integrating corrected, filtered and zeroed lateral acceleration data.

This page was last edited on 18 Septemberat If the vehicle type submitted for approval pursuant to this Regulation meets the requirements of paragraphs 5 and 6 below, approval of that vehicle type shall be granted. The normal frequency of these verifications shall be once every two years.


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Before inducing such a failure, the energy storage device s shall be at a pressure that may be specified by the manufacturer but not exceeding the cut-in pressure. Accuracy, operating ranges, filtering techniques, data processing and other requirements wce described in ISO Standard Please introduce links to this page from related articles ; try the Find link tool for suggestions.

Therefore, a data processing method, as described in paragraph 2 of this appendix, is preferable. However, if the relative positions of the adhesion utilisation curves do not meet the requirements of paragraph 3. If the vehicle conforms to a vehicle ecd approved under one or more other Regulations, annexed to the Agreement, in the country which has granted approval under this Regulation, the symbol prescribed in paragraph 4.

Controls of either kind that place the ESC system in a mode in which it may no longer satisfy the performance requirements of paragraphs 3, 3. The maximum time permitted between each test run is five minutes.

Brake applications where modulation only occurs once during the stop shall not be considered to meet this definition. Where the operational status is indicated to the driver by warning signals, as specified in this Regulation, it shall be r133h at a rce technical inspection to confirm the correct operational status by visual observation of the warning signals following a power-on.